Distance From Chiayi Airport to Imam Khomeini International Airport, CYI - IKA Distance

The distance from Chiayi Airport (CYI) to Imam Khomeini International Airport (IKA) is 4166 miles or 6703 kilometers or 3617 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

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How long does it take to travel from Chiayi City ( Taiwan ) to Tehran ( Iran )?

A one-way nonstop (direct) flight between Chiayi City and Tehran takes around 9 hours 34 minutes.

Estimated flight time from Chiayi Airport, Chiayi City, Taiwan to Imam Khomeini International Airport, Tehran, Iran is 9 hours 34 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • CYI - IKA

Kilometers		6703 km
Statute Miles		4166 miles
Nautical Miles		3617 nm
Avg. Time of Flight		9 hours 34 minutes

Chiayi Airport to Imam Khomeini International Airport Flight Route Map - CYI to IKA Flight Path

Location of Chiayi Airport & Imam Khomeini International Airport is given below.
Click the map to view Chiayi City to Tehran nonstop flight path and travel direction.

Click to see flight route on Google Map between Chiayi City, Taiwan and Tehran, Iran. .

Nonstop flight route between Chiayi City, Taiwan and Tehran, Iran.

Time Difference Between the Airports • CYI - IKA

Time difference between Chiayi City (Taiwan) and Tehran (Iran) is 4 Hours 30 Minutes.
Tehran time is 4 Hours 30 Minutes behind Chiayi City.

Location	Local Time
Chiayi City (Taiwan)	2026-09-19, 01:27:06 CST
Tehran (Iran)	2026-09-18, 20:57:06 +0330

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Chiayi Airport (CYI / RCKU) Chiayi City, Taiwan

Destination

Imam Khomeini International Airport (IKA / OIIE) Tehran, Iran